Octave Orgeron wrote:
> Hi Ashutosh,
^^^^^^^^
Spelling mistake! "Ellard" is what you meant, i think.
-ashu
>
> Thank you for the clarification on how iSCSi can be used with SC. I would
> assume this is the same for openha on opensolaris? This is something I'd like
> to try out. Thanks again!
>
> Thanks!
>
> *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
> Octave J. Orgeron
> Solaris Virtualization Architect and Consultant
> Web: http://unixconsole.blogspot.com
> E-Mail: unixconsole at yahoo.com
> *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
>
>
>
> ----- Original Message ----
> From: Ellard Roush <Ellard.Roush at Sun.COM>
> To: Octave Orgeron <unixconsole at yahoo.com>
> Cc: Ashutosh Tripathi <Ashutosh.Tripathi at Sun.COM>; ldoms-discuss at
> opensolaris.org; Paolo Merisio <merisiop at gmail.com>; clusters
> <ha-clusters-discuss at opensolaris.org>
> Sent: Tuesday, July 21, 2009 7:05:34 PM
> Subject: Re: [ha-clusters-discuss] iSCSI & Quorum [was: Re: [ldoms-discuss]
> LDoms 1.2]
>
> Hi,
>
> When the administrator adds an iSCSI device to the system, that device looks
> like a SCSI device (at least the Quorum subsystem sees the device as
> a SCSI device).
>
> Sun Cluster supports an iSCSI device as a Quorum device when the
> iSCSI device is on the same subnet as the cluster nodes.
> We do not support an iSCSI device as a Quorum device when
> the iSCSI device is on a different subnet. The limitation is due
> to the behavior of iSCSI in Solaris 10.
>
> The iSCSI device could be configured for Quorum using
> any of the following:
>
> SCSI2
> SCSI3
> Software Quorum
>
> The iSCSI device that will be used as a quorum device cannot
> be a disk that is locally connected to only one cluster node
> and exported via iSCSI. Each cluster node must have a direct
> path to the device that is not dependent on another node being up.
>
> I am not aware of any limitations caused in this area when
> Sun Cluster runs on LDoms.
>
> Regards,
> Ellard
>
> On 07/20/09 12:34, Octave Orgeron wrote:
>> Thanks for the suggestion. Interested in testing out SC or OpenHA on LDoms
>> and use iSCSI since I don't have a SAN at home. Thanks!
>>
>>
>> *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
>> Octave J. Orgeron
>> Solaris Virtualization Architect and Consultant
>> Web: http://unixconsole.blogspot.com
>> E-Mail: unixconsole at yahoo.com
>> *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
>>
>>
>>
>> ----- Original Message ----
>> From: Ashutosh Tripathi <Ashutosh.Tripathi at Sun.COM>
>> To: Octave Orgeron <unixconsole at yahoo.com>
>> Cc: Paolo Merisio <merisiop at gmail.com>; ldoms-discuss at opensolaris.org;
>> clusters <ha-clusters-discuss at opensolaris.org>
>> Sent: Monday, July 20, 2009 2:27:24 PM
>> Subject: iSCSI & Quorum [was: Re: [ldoms-discuss] LDoms 1.2]
>>
>> [Cross posting to ha-clusters-discuss]
>> Hi Octave,
>>
>> Given that iSCSI targets are purely a network thing, i doubt
>> very much if using them with or without LDoms has any difference.
>>
>> That leaves the question of how SC/OHAC supports iSCSI disks.
>>
>> I believe that we (SC) have focused on OpenSolaris/OHAC for iSCSI support
>> given the rather large number of issues they have on S10. Perhaps
>> someone on ha-clusters-discuss can shed more light on this question
>> (both general iSCSI support as well as supporting those as Quorum disks).
>>
>> Regards,
>> -ashu
>>
>>
>> Octave Orgeron wrote:
>>> Quick question, are iSCSI disks supported for quorum and in SC or Open HA
>>> with LDoms?
>>>
>>>
>>> *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
>>> Octave J. Orgeron
>>> Solaris Virtualization Architect and Consultant
>>> Web: http://unixconsole.blogspot.com
>>> E-Mail: unixconsole at yahoo.com
>>> *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
>>>
>>>
>>>
>>> ----- Original Message ----
>>> From: Ashutosh Tripathi <Ashutosh.Tripathi at Sun.COM>
>>> To: Paolo Merisio <merisiop at gmail.com>
>>> Cc: ldoms-discuss at opensolaris.org
>>> Sent: Monday, July 20, 2009 1:16:40 PM
>>> Subject: Re: [ldoms-discuss] LDoms 1.2
>>>
>>> Hi Paolo,
>>>
>>> Tell us a bit more about the kind of device
>>> d5 is. The only kind on which Quorum is supported is
>>> ones backed by full LUNs in the I/O domain.
>>>
>>> d5 looks suspiciously small to be a full disk, but
>>> can you confirm?
>>>
>>> -ashu
>>>
>>> Paolo Merisio wrote:
>>>> Ok, here more information about new test.
>>>>
>>>> root at n1 # [b]metaset -s 2ds[/b]
>>>>
>>>> Set name = 2ds, Set number = 2
>>>>
>>>> Host Owner
>>>> n1 Yes
>>>> n2 n3 Driv Dbase
>>>>
>>>> d5 Yes [b]Import/export of metaset, mount of fs in metaset are all ok on
>>>> all 3 nodes[/b] root at n1 # [b]cldev show d5[/b]
>>>>
>>>> === DID Device Instances === DID Device Name:
>>>> /dev/did/rdsk/d5
>>>> Full Device Path: n1:/dev/rdsk/c0d2
>>>> Full Device Path: n2:/dev/rdsk/c0d2
>>>> Full Device Path: n3:/dev/rdsk/c0d2
>>>> Replication: none
>>>> default_fencing: nofencing
>>>>
>>>> root at n1 # [b]prtvtoc /dev/rdsk/c0d2s0[/b]
>>>> * /dev/rdsk/c0d2s0 partition map
>>>> *
>>>> * Dimensions:
>>>> * 512 bytes/sector
>>>> * 16 sectors/track
>>>> * 4 tracks/cylinder
>>>> * 64 sectors/cylinder
>>>> * 32768 cylinders
>>>> * 32766 accessible cylinders
>>>> *
>>>> * Flags:
>>>> * 1: unmountable
>>>> * 10: read-only
>>>> *
>>>> * First Sector Last
>>>> * Partition Tag Flags Sector Count Sector Mount Directory
>>>> 0 4 00 8256 2088768 2097023
>>>> 7 4 01 0 8256 8255
>>>>
>>>>
>>>> root at n1 # tail -f /var/adm/messages&
>>>> [1] 5597
>>>>
>>>> Jul 17 09:49:41 n1 Cluster.Framework: [ID 801593 daemon.notice] stdout:
>>>> becoming primary for 2ds
>>>>
>>>> [b]root at n1 # clq add d5
>>>> clq: (C192716) I/O error.
>>>> root at n1 # [/b]
>>>>
>>>> No other errors on console of other nodes or messages of other nodes.
>>>> I hope this helps you to troubleshooting this problem.
>>>>
>>>> Thanks
>>> _______________________________________________
>>> ldoms-discuss mailing list
>>> ldoms-discuss at opensolaris.org
>>> http://mail.opensolaris.org/mailman/listinfo/ldoms-discuss
>>>
>>>
>>>
>>>
>>
>>
>> _______________________________________________
>> ha-clusters-discuss mailing list
>> ha-clusters-discuss at opensolaris.org
>> http://mail.opensolaris.org/mailman/listinfo/ha-clusters-discuss
>
>
>
>
